Finding the Fourth Proportional to 22,145.28, 33,071.12 and 19,462.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145.28 : 33,071.12 = 19,462.56 : x
2. Step 2: Convert to fraction form
   22,145.28/33,071.12 = 19,462.56/x
3. Step 3: Cross multiply
   22,145.28x = 33,071.12 × 19,462.56
4. Step 4: Simplify right side
   22,145.28x = 643,648,657.27
5. Step 5: Solve for x
   x = 643,648,657.27/22,145.28
6. Step 6: Final answer
   x = 29,064.82